... FDA certification which is suit for American market.Features:(1),safe,100% food grade silicone material,colorless,odorless,nontoxic, ... phenomenon of flatus,disgorge and hiccup. (7),unbreakable design for outdoor use.Caution: (1): Sterilize before using boiling ... control filter. A flow control filter controls liquid flow, prevents nipple collapse, and reduces air flow. Food grade silicone baby bottle